Well this is my opinion...
It's an old device and would really only appeal to:
(1) People who absolutely detest the new Pocket PCs and want a
very simple personal organiser, or
(2) People who collect old handhelds
So really, the selling price can vary, but you wouldn't get a lot for it I dont think.
A little trip to
Amazon, and you'll find that people are selling theirs for around $185. But with declining prices in current Pocket PCs, I'm not sure if you'll be able to get a buyer very quickly.